Mars

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> > 大佬们,这一句什么情况会执行到啊?`new Child()` 之后肯定有 `this` 呀 > > ```js > > if (!self) { > > throw new ReferenceError("this hasn't been initialised - super() hasn't been called") > >...

收到~ ------------------WenMing HuangSchool of Geodesy and Geomatics, Wuhan UniversityAddress: 129 Luoyu Road, Wuhan, Hubei, P.R.China, 430079Mobile: 18986143450E-mail:

收到~ ------------------WenMing HuangSchool of Geodesy and Geomatics, Wuhan UniversityAddress: 129 Luoyu Road, Wuhan, Hubei, P.R.China, 430079Mobile: 18986143450E-mail:

收到~ ------------------WenMing HuangSchool of Geodesy and Geomatics, Wuhan UniversityAddress: 129 Luoyu Road, Wuhan, Hubei, P.R.China, 430079Mobile: 18986143450E-mail:

收到~ ------------------WenMing HuangSchool of Geodesy and Geomatics, Wuhan UniversityAddress: 129 Luoyu Road, Wuhan, Hubei, P.R.China, 430079Mobile: 18986143450E-mail:

收到~ ------------------WenMing HuangSchool of Geodesy and Geomatics, Wuhan UniversityAddress: 129 Luoyu Road, Wuhan, Hubei, P.R.China, 430079Mobile: 18986143450E-mail: